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प्रश्न
Complete the stages in electric generator using wind energy.
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उत्तर
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संबंधित प्रश्न
There are four fuels which all contain only carbon and hydrogen. The fuel having highest calorific value will be one which has:
(a) more of carbon but less of hydrogen
(b) less of carbon but more of hydrogen
(c) equal proportions of carbon and hydrogen
(d) less of carbon as well as less of hydrogen
At a hydro power plant:
(a) kinetic energy possessed by stored water is converted into electrical energy
(b) electrical is extracted from water
(c) water is converted into steam to turn turbines and produce electricity.
(d) potential energy possessed by stored water is converted into electricity.
The harnessing of which of the following leads to the destruction of large eco-systems?
(a) thermal power
(b) tidal power
(c) hydro power
(d) geothermal power
The harnessing of which of the following leads to the destruction of large eco-systems?
(a) thermal power
(b) tidal power
(c) hydro power
(d) geothermal power
What is common between the sun and a hydrogen bomb?
Which of the two is a cleaner fuel: hydrogen of CNG? Why?
Describe how hydro-energy can be converted into electrical energy.
Write any two limitations of hydro-energy.
Explain with a diagram of step-by-step energy conversion in Hydroelectric power plant.
Give a scientific reason:
Hydroelectric energy, solar energy and wind energy are called renewable energies.
What are the advantages of hydroelectric power generation ?
Wind turbines with capacity are commercially available.
Find an odd one out.
Write the advantages of the Hydroelectric Power project.
Complete the table.
| Advantages of hydroelectric power plant | Disadvantage of hydroelectric power plant |
Complete the following flow chart.
Coil of wire is rotated between electromagnets is created ______.
The Hydroelectric capacity of Koyna dam is ______.
